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Related Experiment Videos

Trisomy 18: behavioral and structural abnormalities. An ultrasonographic case study.

P G Hepper1, S Shahidullah

  • 1School of Psychology, The Queen's University of Belfast, Belfast, UK.

Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology
|January 1, 1992
PubMed
Summary
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Behavioral and structural ultrasound analysis revealed distinct fetal anomalies in Edwards syndrome. These findings suggest that analyzing fetal behavior can significantly aid in diagnosing congenital abnormalities during ultrasonography.

Area of Science:

  • Medical imaging
  • Fetal medicine
  • Genetics

Background:

  • Edwards syndrome (Trisomy 18) is a severe chromosomal disorder.
  • Prenatal diagnosis of Edwards syndrome often relies on detecting structural anomalies via ultrasound.
  • Behavioral patterns in fetuses with Edwards syndrome are not well-documented.

Purpose of the Study:

  • To describe the behavioral and structural characteristics of a fetus with Edwards syndrome using ultrasound.
  • To explore the diagnostic potential of fetal behavior in identifying Edwards syndrome.
  • To discuss the role of behavioral indicators in diagnosing fetal abnormalities.

Main Methods:

  • Behavioral and structural analysis using high-resolution ultrasound.
  • Detailed observation and documentation of fetal movements and physical features.

Related Experiment Videos

  • Comparison of observed anomalies with known characteristics of Edwards syndrome and normal fetal development.

    • Main Results:

    • Observed structural anomalies included hand deformities, extended legs, a diamond-shaped head, open mouth, and severe cardiac defects.
    • Distinctive behavioral patterns noted were vertical eye movements, trunk rotation, hand rotation, limb tremors, and pulsatile body movements.
    • These behavioral patterns were not typically observed in normal fetuses.

    Conclusions:

    • Fetal behavioral analysis, alongside structural assessment, can provide valuable diagnostic information for Edwards syndrome.
    • The identification of unique behavioral indicators may enhance the accuracy and early detection of fetal abnormalities.
    • Ultrasonographic evaluation of fetal behavior represents a promising tool for diagnosing congenital handicaps.